目め分ぶん量りょう

noun

eyeballing; measuring by eye; rough estimate by sight

Refers to estimating a quantity, size, or amount by sight without using measuring tools. Often used in cooking, DIY, or when precision is not required.

• 料りょう理りは目め分ぶん量りょうで味あじ付つけをすることが多おおい。

  I often season dishes by eye.

• 目め分ぶん量りょうで材ざい料りょうを入いれたら、うまくできた。

  I added the ingredients by rough estimate, and it turned out well.